Servicing Mode; Test Run Operation (For Pump Down/Servicing Purpose) - Panasonic CS-Z35UD3RAW Service Manual

17. Servicing Mode

17.1 TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE)


The Test Run operation will be activated by short-circuiting CN-S (Pin 1 & 2) at outdoor unit PCB after power
supplied to outdoor unit terminal 1 and 2. The unit forced to run rated frequency cooling operation mode.
CN-S
FG2
AC-WHT
DATA
FG1
AC-BLK
96
POWER
TRANSISTOR
(IPM)
CN-MTR2
CN-MTR1
CN-TH1
CN-DEMAND
CN-TANK
CN-HOT
CN-STM
CURRENT
TRANSFORMER
(CT)
CN-V1